EP 3695975 A1 20200819 - PRINTER
Title (en)
PRINTER
Title (de)
DRUCKER
Title (fr)
IMPRIMANTE
Publication
Application
Priority
JP 2019022317 A 20190212
Abstract (en)
Provided is a printer including an ink tank, a print head performing printing by using ink in the ink tank, a light source irradiating the ink tank with light, a photoelectric conversion device detecting light incident from the ink tank in a period during which the light source emits light, and a processing unit determining ink characteristics based on characteristics of a light amount detected by the photoelectric conversion device.
IPC 8 full level
B41J 2/195 (2006.01); B41J 2/175 (2006.01); B41J 29/02 (2006.01); B41J 29/13 (2006.01)
CPC (source: CN EP US)
B41J 2/125 (2013.01 - CN); B41J 2/17503 (2013.01 - CN); B41J 2/17509 (2013.01 - EP); B41J 2/17513 (2013.01 - EP US); B41J 2/17543 (2013.01 - CN); B41J 2/17553 (2013.01 - EP); B41J 2/17566 (2013.01 - EP US); B41J 2/195 (2013.01 - EP); B41J 29/02 (2013.01 - EP); B41J 29/13 (2013.01 - EP); G01F 23/2921 (2013.01 - US); B41J 2002/17573 (2013.01 - EP US)
Citation (applicant)
- JP 2019022317 A 20190212
- JP 2001105627 A 20010417 - SEIKO EPSON CORP
Citation (search report)
- [X] US 2009115804 A1 20090507 - CAI XIAORONG [US], et al
- [XI] EP 2815884 A1 20141224 - XEROX CORP [US]
- [XI] US 5689290 A 19971118 - SAITO ATSUSHI [JP], et al
- [XI] JP 2005186388 A 20050714 - BROTHER IND LTD
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3695975 A1 20200819; EP 3695975 B1 20220803; CN 111546785 A 20200818; CN 111546785 B 20220315; JP 2020128059 A 20200827; JP 7322419 B2 20230808; US 11046081 B2 20210629; US 2020254754 A1 20200813
DOCDB simple family (application)
EP 20156931 A 20200212; CN 202010084067 A 20200210; JP 2019022317 A 20190212; US 202016785746 A 20200210